| Fungal Planet description sheets: 1284–1382 PW Crous, ER Osieck, Ž Jurjević, J Boers, AL Van Iperen, ... Persoonia: Molecular Phylogeny and Evolution of Fungi 47, 178, 2021 | 128 | 2021 |
| Variation in diet of Tawny Owl Strix aluco L. along an urbanization gradient J Goszczyński, P Jabłoński, G Lesiński, J Romanowski Acta ornithologica 27 (2), 113-123, 1993 | 98 | 1993 |
| Effect of season, weather and habitat on diet variation of a feeding-specialist: a case study of the long-eared owl, Asio otus in Central Poland J Romanowski, M Zmihorski Folia Zoologica 57 (4), 411, 2008 | 84 | 2008 |
| Effects of management on invertebrates and birds in extensively used grassland of Poland A Hoste-Danyłow, J Romanowski, M Żmihorski Agriculture, ecosystems & environment 139 (1-2), 129-133, 2010 | 74 | 2010 |
| Roosting behavior and group territoriality in American crows DF Caccamise, LM Reed, J Romanowski, PC Stouffer The Auk 114 (4), 628-637, 1997 | 70 | 1997 |
| Antibodies to alphavirus, flavivirus, and bunyavirus arboviruses in house sparrows (Passer domesticus) and tree sparrows (P. montanus) in Poland Z Juřicová, J Pinowski, I Literak, KH Hahm, J Romanowski Avian diseases, 182-185, 1998 | 68 | 1998 |
| Trophic ecology of Asio otus (L.) and Athene noctua (Scop.) in the suburbs of Warsaw J Romanowski Polish Ecological Studies 14 (1-2), 223-234, 1988 | 63 | 1988 |
| Muskrat (Ondatra zibethicus) decline after the expansion of American mink (Neovison vison) in Poland M Brzeziński, J Romanowski, M Żmihorski, K Karpowicz European Journal of Wildlife Research 56, 341-348, 2010 | 60 | 2010 |
| Otter Lutra lutra distribution in Poland M Brzeziński, J Romanowski, JP Cygan, B Pabin Acta theriologica 41 (2), 113-126, 1996 | 56 | 1996 |
| Habitat correlates of the Eurasian otter Lutra lutra recolonizing Central Poland J Romanowski, M Brzeziński, M Żmihorski Acta theriologica 58, 149-155, 2013 | 51 | 2013 |
| Monitoring the otter recolonisation of Poland J Romanowsky Hystrix, the Italian Journal of Mammalogy 17 (1), 2006 | 50 | 2006 |
| Habitat and seasonal variations in diet of otters, Lutra lutra in eastern Poland M Brzeziński, J Romanowski, Ł Kopczyński, E Kurowicka Folia Zool 55 (4), 337-348, 2006 | 48 | 2006 |
| On the diet of urban Kestrels (Falco tinnunculus) in Warsaw J Romanowski Buteo 8, 123-130, 1996 | 44 | 1996 |
| Notes on the technique of the otter field survey J Romanowski, M Brzeziński, JP Cygan Acta Theriologica 41 (2), 199-204, 1996 | 43 | 1996 |
| Vistula river valley as the ecological corridor for mammals J Romanowski Polish Journal of Ecology 55 (4), 805, 2007 | 42 | 2007 |
| A note on the diet of stone marten in southeastern Romania J Romanowski, G Lesiński Acta Theriologica 36 (1-2), 201-204, 1991 | 42 | 1991 |
| Seasonal and habitat variation in the diet of the tawny owl (Strix aluco) in central Poland during unusually warm years J Romanowski, M Żmihorski Biologia 64 (2), 365-369, 2009 | 41 | 2009 |
| The contamination of inland waters by microplastic fibres under different anthropogenic pressure: Preliminary study in Central Europe (Poland) A Kaliszewicz, M Winczek, K Karaban, D Kurzydłowski, M Górska, ... Waste Management & Research 38 (11), 1231-1238, 2020 | 34 | 2020 |
| Small mammals of Kampinos National Park and its protection zone, as revealed by analyses of the diet of tawny owls Strix aluco Linnaeus, 1758 G Lesiński, J Romanowski, J Gryz, A Olszewski, M Kowalski, ... Fragmenta Faunistica 56 (1), 65-81, 2013 | 33 | 2013 |
| Habitat preferences of a declining population of the little owl, Athene noctua in Central Poland M Zmihorski, J Romanowski, G Osojca Folia Zoologica 58 (2), 207, 2009 | 33 | 2009 |
